Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | Negotiable |
| Delivery Time | 10-15 DAYS |
| Packaging Details | Wooden Box package |
| Material Grade | S32205, S32305 |
| Diameter | 32 - 100 MM |
| Thickness | 0.1 - 30 mm |
| Length | 12M, 6m, 1-12M or as per requirements |
| Package | Wooden Box Package |
| Brand Name | YUHONG HOLDING GROUP |
| Model Number | AA789 /A790 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | Negotiable |
| Delivery Time | 10-15 DAYS | Packaging Details | Wooden Box package |
| Material Grade | S32205, S32305 | Diameter | 32 - 100 MM |
| Thickness | 0.1 - 30 mm | Length | 12M, 6m, 1-12M or as per requirements |
| Package | Wooden Box Package | Brand Name | YUHONG HOLDING GROUP |
| Model Number | AA789 /A790 | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
Duplex Steel Seamless Pipes A789 UNS S32205 S331803 S332750 Super Duplex Steel Pipe Heater Air Cooler Condenser Tank
Specifications
| Sizes / Thickness | OD: 0.25"- 6" ; W.T: 0.02" - 0.5" or as required by clients | ||||
| Manufacture | Shall be made by the seamless or welded process with no filler metal added. | ||||
| Heat Treatment | For seamless tubes, as an alternate to final heat treatment in a continuous furnace or batch-type furnace, immediately following hot forming while the temperature of the tubes is not less than the specified minimum solution treatment temperature, tubes may be individually quenched in water or rapidly cooled by other means. S32205---(1020-1100℃) Quench:rapid cooling in air water | ||||
| Length | As required by clients | ||||
| Surface Condition | All tubes shall be free of excessive mill scale, suitable for inspection. A slight amount of oxidation will not be considered as scale. | ||||
| Bending Radius | From 1.5*OD(Outside Diameter) To 1500mm, ≤1.5*OD,necessary To agree precision of geometrics | ||||
| Straight Tubes | max length 35000mm | ||||
Duplex S32205 Pipes are modern super duplex stainless steel pipes that improve mechanical and corrosion resistance properties. These pipes can withstand extreme temperatures and chemical attacks better than traditional materials, making them a top choice for challenging applications. This blog will explore various aspects of Duplex S32205 tubes, including their composition, physical and mechanical properties, uses, and heat treatment.
Duplex Applications
Chemical processing, transport and storage,
Oil and Gas exploration and processing equipment,
Marine and other high chloride environments,
Pulp and paper digesters, liquor tanks and paper machines.
Duplex Corrosion Resistance
Excellent general corrosion resistance; superior to Grade 316 in most environments. Excellent resistance to localized corrosion including intergranular, pitting and crevice corrosion; the CPT of 2205 is generally at least 35ºC. The grade is also resistant to chloride stress corrosion cracking (SCC) at temperatures of up to about 150ºC. Grade 2205 will often perform well in environments which cause premature failure of austenitic grades. It has better resistance to sea water then Grade 316.
Duplex Heat Resistance
Although 2205 has good high temperature oxidation resistance, this grade - like other duplex stainless steels - suffers from embrittlement if held for even short times at temperatures above 300ºC. If embrittled, this can only be rectified by a full solution annealing treatment. Duplex stainless steels are almost never used above 300ºC.
Duplex Heat Treatment
Classification Society Criterion:CSS,DNV,GL,LR,NK,KR,ABS,BV
Solution treatment (annealing) - heat to 1020ºC-1100ºC and cool rapidly. This grade cannot be hardened by thermal treatment, but does work harden.
Applications Industry
Pharmaceutical Equipment
Power Generation
Petrochemicals
Pressure Vessel
Heat Exchangers / Condensers / Boiler
Oil and Gas Processing
Specialty Chemicals
General Engineering
Pulp and Paper Industry
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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